It is narrated from Sayyiduna Hudhayfah (may Allah be pleased with him): When a man gives the sadaqah to a single category out of the eight categories, it suffices him.
Al-Hajjaj bin Artah is not used as evidence.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب قسم الصدقات / 13130